package com.xavier.springboot_demo;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping("/calc")
@RestController

public class CalcController {
    @RequestMapping("/sum")
    public String sum(Integer num1, Integer num2) {
        if (num1 == null || num2 == null) {
            return "参数不合法，请重新提交";
        }
        Integer sum = num1 + num2;
        return "<h1>结算结果为："+ sum +"</h1>";
    }

}
